CN104596222B - Heat exchange type tail recuperation of heat microwave oxygen barrier drying machine - Google Patents
Heat exchange type tail recuperation of heat microwave oxygen barrier drying machine Download PDFInfo
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- CN104596222B CN104596222B CN201510050346.7A CN201510050346A CN104596222B CN 104596222 B CN104596222 B CN 104596222B CN 201510050346 A CN201510050346 A CN 201510050346A CN 104596222 B CN104596222 B CN 104596222B
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Abstract
The invention discloses a kind of heat exchange type tail recuperation of heat microwave oxygen barrier drying machine, bell glass is tunnel-type, being externally provided with microwave unit and be fixed in conveyer belt substrate below, the material on conveyer belt arrives on the conveyer belt isolating casing through slide carriage after being heated by microwave unit in tunnel-type bell glass；The outlet of tunnel-type bell glass is provided with obstruct curtain and aerator, import is provided with obstruct curtain and exhaust tube, exhaust tube through plate type heat exchanger enter isolation casing right-hand member, be provided with in shielded box body convection fan and have conveyer belt turn left from the right side through, isolation casing left end be provided with air exhauster.Present invention achieves the efficient enzyme denaturing of the serialization under non-vacuum condition to dry with Tong Bu oxygen barrier, it is simple to industrialized implementation；Tail recuperation of heat is simple and reliable, reduces cost and energy consumption, it is achieved energy-saving and emission-reduction；Back segment hot blast stream are conducive to gently dried and keep uniform quality, and the agricultural product being especially suitable for being prone to occur enzymatic and high-temperature oxydation brown stain dry, and have a extensive future.
Description
Technical field
The present invention relates to a kind of heat exchange type tail recuperation of heat microwave oxygen barrier drying machine.
Background technology
Dry is exactly by the moisture removal in material, is all widely used in fields such as food, chemical industry, processing of farm products, biological product process, is the unit operation using frequency significantly high.
Drying to utilize natural conditions to carry out drying or drying, but for industrialized production, dry and be typically in drying machine to carry out, for this kind of agricultural product being prone to enzymatic occur with oxidizing brown stain of Bulbus Lilii, it is generally required to first high temperature decocting in water dries after carrying out killing ferment treatment again, and dry and also there is special requirement, just it is desirable to oxygen barrier (during heating, the speed of oxidizing brown stain can increase considerably) while heating, dry fast and efficiently when oxygen barrier, so could kill enzyme fast and effectively and prevent oxidizing brown stain, it is ensured that product quality.
In order to reach the purpose of oxygen barrier, present stage is generally adopted vacuum drying, but vacuum drying cost is high, efficiency is low, equipment also has higher requirement, is difficulty with the commercial production of serialization；And on the other hand, existing drying equipment also ubiquity energy consumption is high, the technology application obstacle of heat transmission infiltration difficulty, thus prior art cannot meet the product drying that this class of Bulbus Lilii is prone to enzymatic occur with oxidizing brown stain.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, it is provided that a kind of low energy consumption, quickly, efficiently, be easy to industrialization quantity-produced heat exchange type tail recuperation of heat microwave oxygen barrier drying machine.
For overcoming the deficiencies in the prior art, the present invention takes techniques below scheme:
A kind of heat exchange type tail recuperation of heat microwave oxygen barrier drying machine, including conveyer belt, microwave unit and bell glass, it is characterized in that: bell glass is tunnel-type and is fixed in conveyer belt substrate below, tunnel-type bell glass is externally provided with microwave unit, and the material on conveyer belt arrives on the conveyer belt isolating casing through slide carriage after being heated by microwave unit in tunnel-type bell glass；The outlet of tunnel-type bell glass is provided with obstruct curtain and aerator, import is provided with obstruct curtain and exhaust tube, exhaust tube is provided with air door and connects air exhauster, air exhauster connecting plate type heat exchanger, plate type heat exchanger is provided with tail gas mouth and air intlet, and the hot air outlet of plate type heat exchanger connects the right-hand member of isolation casing through warm-air pipe and air exhauster, be provided with in shielded box body convection fan and have conveyer belt turn left from the right side through, the left end of isolation casing is provided with air exhauster, and the air vent of air exhauster is in communication with the outside.
The conveyer belt of described tunnel-type bell glass is driven tail wheel to be operated by drivewheel, and drivewheel is driven Chain conveyer to be operated by motor and reductor, and conveyer belt left end is provided with feed hopper.
The conveyer belt of described isolation casing is driven tail wheel to be operated by drivewheel, and the left end of conveyer belt is provided with pan tank.
Described convection fan is made up of motor and flabellum.
The present invention is substantially made up of this three part of microwave oxygen barrier drying system, tail heat recovery system and hot air drying system, describes separately below.
(1) microwave oxygen barrier, quick enzyme denaturing drying system:
Material conveying is constituted material delivery system by motor and reductor, Chain conveyer, conveyer belt drivewheel, tail wheel, conveyer belt, and rationally the microwave unit of arrangement constitutes oxygen barrier microwave heating system with tunnel-type bell glass；Bell glass can realize heating material through microwave entirely, and tunnel-type bell glass is buckled on substrate, and conveyer belt transports material, and tunnel-type bell glass, obstruct curtain and ancillary equipment carry out oxygen barrier.
When the system is operating, due to the effect of air exhauster, it is oxygen barrier and the key element getting rid of air that material is formed directed movement from right to left by the water vapour that microwave heating produces in tunnel-type bell glass.Material enters in tunnel-type bell glass through obstruct curtain with conveyer belt from left to right, oxygen can be got rid of and by the rapid enzyme denaturing of microwave heat-flash at the very start by the water vapour of directed movement from right to left, material constitutes reverse movement with directed steam air-flow from right to left from left to right, material is able under microwave action oxygen barrier and progressively dries, when material is dried from tunnel-type bell glass right-hand member by intercepting curtain out, just quickly forced rapidly cooling by aerator air blast, it is to avoid temperature of charge is higher issuable to be reoxidized and high temperature brown stain.
Intercept curtain to play and the effect of outside air isolation.
(2) tail heat recovery system:
Overflow gas from tunnel-type bell glass left end and for main, there is very big heat content with steam, it is necessary to recycle the thermal source as the heating of later stage hot air drying.Damper, after gas enters plate type heat exchanger heat exchange by exhaust tube and blower fan, low temperature exhaust gas is emptied by tail gas mouth, fresh air is carried out heat exchange intensification by import entrance plate type heat exchanger and becomes hot-air, imported air exhauster by hot air outlet by pipeline, the tail heat of recovery is used for next step hot air drying.
(3) hot air drying system:
Material from bell glass out after quickly forced cooling, temperature to decline by aerator after will not oxidized and high temperature brown stain again, enter next stage hot air drying by material slide carriage.
The material conveying of hot air drying system is realized by tail wheel, conveyer belt and drivewheel, motor and the internal recycle fan of flabellum composition is arranged in shielded box body, realize strong convection and penetrate material and hot air drying, hot blast source tail recuperation of heat, air exhauster is sent into hot-air traverse casing and material and flows, playing the effect that gentle homogenizing dries, the waste gas of high humility is emptied by last air exhauster by air vent, and it is stand-by that finished product materials falls temporary pan tank.
Compared with prior art, beneficial effects of the present invention also resides in:
Microwave heating is quickly, efficient, penetration capacity is strong, the water vapour of ingenious utilization directed movement from right to left achieves the efficient enzyme denaturing of the serialization under non-vacuum condition and dries with oxygen barrier, and it is oxygen barrier is killed enzyme and oxygen barrier dries and synchronously completes, it is simple to industrialization low cost is implemented；It is simple and reliable that plate type heat exchanger carries out tail recuperation of heat, reduces cost and energy consumption, it is achieved energy-saving and emission-reduction；Back segment hot blast stream are conducive to matter homogenizing gently dried, it is simple to keep the uniform quality of material；Disclosure is particularly well suited to this class of Bulbus Lilii etc. be prone to occur the agricultural product of enzymatic and high-temperature oxydation brown stain to dry, be conducive to improving the drying quality of this series products, have a extensive future.
Accompanying drawing explanation
Fig. 1 is the planar structure schematic diagram of the present invention.
Fig. 2 is the section structure schematic diagram in tunnel-type bell glass.
In figure, each label represents:
1, motor and reductor；2, Chain conveyer；3, feed hopper；4, curtain is intercepted；5, exhaust tube；6, air vent；7, microwave unit；8, drivewheel；9, air exhauster；10, pan tank；11, air door；12, air exhauster；13, air intlet；14, tail gas mouth；15, hot air outlet；16, plate type heat exchanger；17, warm-air pipe；18, aerator；19, tunnel-type bell glass；20, conveyer belt；21, tail wheel；22, fan electromotor；23, air exhauster；24, tail wheel；25, flabellum；26, conveyer belt；27, drivewheel；28, isolation casing；30, substrate；32, material；33 material slide carriages.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is further elaborated with.
Heat exchange type tail recuperation of heat microwave oxygen barrier drying machine as depicted in figs. 1 and 2, including conveyer belt 20, microwave unit 7 and bell glass 19, bell glass 19 is for tunnel-type and is fixed in conveyer belt 20 substrate below 30, tunnel-type bell glass 19 is externally provided with microwave unit 7, and the material 32 on conveyer belt 20 arrives on the conveyer belt 26 isolating casing 28 through slide carriage 33 after being heated by microwave unit 7 in tunnel-type bell glass 19；The outlet of tunnel-type bell glass 19 is provided with obstruct curtain 4 and aerator 18, import is provided with obstruct curtain 4 and exhaust tube 5, exhaust tube 5 is provided with air door 11 and connects air exhauster 12, air exhauster 12 connecting plate type heat exchanger 16, plate type heat exchanger 16 is provided with tail gas mouth 14 and air intlet 13, the hot air outlet 15 of plate type heat exchanger 16 connects the right-hand member of isolation casing 28 through warm-air pipe 17 and air exhauster 23, isolation casing 28 in be provided with convection fan and have conveyer belt 26 turn left from the right side through, the left end of isolation casing 28 is provided with air exhauster 9, and the air vent 6 of air exhauster 9 is in communication with the outside.
The conveyer belt 20 of described tunnel-type bell glass 19 is driven tail wheel 21 to be operated by drivewheel 8, and drivewheel 8 is driven Chain conveyer 2 to be operated by motor and reductor 1, and conveyer belt 20 left end is provided with feed hopper 3.
The conveyer belt 26 of described isolation casing 28 is driven tail wheel 24 to be operated by drivewheel 27, and the left end of conveyer belt 26 is provided with pan tank 10.
Described convection fan is made up of motor 22 and flabellum 25.
The present embodiment is substantially made up of this three part of microwave oxygen barrier drying system, tail heat recovery system and hot air drying system, describes separately below.
(1) microwave oxygen barrier, quick enzyme denaturing drying system:
Material conveying is constituted material delivery system by motor and reductor 1, Chain conveyer 2, conveyer belt drivewheel 8, tail wheel 21, conveyer belt 20, and microwave unit 7 and the tunnel-type bell glass 19 of rationally arrangement constitute oxygen barrier microwave heating system；Bell glass 19 can realize material 32 is heated through microwave entirely, and tunnel-type bell glass 19 is buckled on substrate 30, and conveyer belt 20 transports material, and tunnel-type bell glass 19, obstruct curtain 4 and ancillary equipment carry out oxygen barrier.
When the system is operating, due to the effect of air exhauster 12, it is oxygen barrier and the key element getting rid of air that material is formed directed movement from right to left by the water vapour that microwave heating produces in tunnel-type bell glass 19.Material enters in tunnel-type bell glass 19 through obstruct curtain 4 with conveyer belt 20 from left to right, oxygen can be got rid of and by the rapid enzyme denaturing of microwave heat-flash at the very start by the water vapour of directed movement from right to left, material 32 constitutes reverse movement with directed steam air-flow from right to left from left to right, material 32 is able under microwave action oxygen barrier and progressively dries, when material is dried from tunnel-type bell glass 19 right-hand member by intercepting curtain 4 out, just quickly forced rapidly cooling by aerator 18 air blast, it is to avoid temperature of charge is higher issuable to be reoxidized and high temperature brown stain.
Intercept curtain 4 to play and the effect of outside air isolation.
(2) tail heat recovery system:
Overflow gas from tunnel-type bell glass 19 left end and for main, there is very big heat content with steam, it is necessary to recycle the thermal source as the heating of later stage hot air drying.Damper 11, after gas enters plate type heat exchanger 16 heat exchange by exhaust tube 5 and blower fan 12, low temperature exhaust gas is emptied by tail gas mouth 14, fresh air by import 13 enter plate type heat exchanger 16 carry out heat exchange heat up become hot-air, imported air exhauster 23 by hot air outlet 15 by pipeline 17, the tail heat of recovery is used for next step hot air drying.
(3) hot air drying system:
Material from bell glass 19 out after quickly forced cooling, temperature to decline by aerator after will not oxidized and high temperature brown stain again, enter next stage hot air drying by material slide carriage 33.
The material conveying of hot air drying system is realized by tail wheel 24, conveyer belt 26 and drivewheel 27, motor 22 and the internal recycle fan of flabellum 25 composition is arranged in isolation casing 28, realize strong convection and penetrate material and hot air drying, hot blast source tail recuperation of heat, air exhauster 23 is sent into hot-air traverse casing 28 and material and flows, playing the effect that gentle homogenizing dries, the waste gas of high humility is emptied by last air exhauster 9 by air vent 6, and it is stand-by that finished product materials falls temporary pan tank 10.
Above-mentioned simply presently preferred embodiments of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, when without departing from technical solution of the present invention scope, may utilize the technology contents of the disclosure above and technical solution of the present invention are made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (4)
1. a heat exchange type tail recuperation of heat microwave oxygen barrier drying machine, including conveyer belt, microwave unit and bell glass, it is characterized in that: bell glass is tunnel-type and is fixed in conveyer belt substrate below, tunnel-type bell glass is externally provided with microwave unit, and the material on conveyer belt arrives on the conveyer belt isolating casing through slide carriage after being heated by microwave unit in tunnel-type bell glass；The outlet of tunnel-type bell glass is provided with obstruct curtain and aerator, import is provided with obstruct curtain and exhaust tube, exhaust tube is provided with air door and connects air exhauster, air exhauster connecting plate type heat exchanger, plate type heat exchanger is provided with tail gas mouth and air intlet, and the hot air outlet of plate type heat exchanger connects the right-hand member of isolation casing through warm-air pipe and air exhauster, be provided with in shielded box body convection fan and have conveyer belt turn left from the right side through, the left end of isolation casing is provided with air exhauster, and the air vent of air exhauster is in communication with the outside.
2. heat exchange type tail recuperation of heat microwave oxygen barrier drying machine according to claim 1, it is characterized in that: the conveyer belt of described tunnel-type bell glass is driven tail wheel to be operated by drivewheel, drivewheel is driven Chain conveyer to be operated by motor and reductor, and conveyer belt left end is provided with feed hopper.
3. heat exchange type tail recuperation of heat microwave oxygen barrier drying machine according to claim 1 and 2, it is characterised in that: the conveyer belt of described isolation casing is driven tail wheel to be operated by drivewheel, and the left end of conveyer belt is provided with pan tank.
4. heat exchange type tail recuperation of heat microwave oxygen barrier drying machine according to claim 1 and 2, it is characterised in that: described convection fan is made up of motor and flabellum.
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| CN107997202A (en) * | 2017-12-12 | 2018-05-08 | 大连葆光节能空调设备厂 | Four sections of thermal cycle kelp drying units |
| CN109007608A (en) * | 2018-07-03 | 2018-12-18 | 广州萃取生物科技有限公司 | A kind of wheat embryo process equipment |
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| CN103471373B (en) * | 2013-10-09 | 2016-02-10 | 吉首大学 | Penetration adverse current drying unit |
| CN104266471B (en) * | 2014-10-24 | 2016-03-09 | 吉首大学 | Steel band type rotating knife blanking efficient slag filter cake dryer |
| CN204438715U (en) * | 2015-02-02 | 2015-07-01 | 吉首大学 | Heat-pump-type tail recuperation of heat microwave oxygen barrier drying machine |
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Effective date of registration: 20181225 Address after: 401120 No. 7, East Airport Road, Shuangfengqiao Street, Yubei District, Chongqing Patentee after: Chongqing Brilliant Aluminum Furniture Co., Ltd. Address before: 416000 No. 120 Renmin South Road, Jishou City, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Patentee before: Jishou University |
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Effective date of registration: 20201217 Address after: 402460 station 13, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing Xinrui Technology Service Co.,Ltd. Address before: Building 3, No.7, Konggang East Road, shuangfengqiao street, Yubei District, Chongqing Patentee before: Chongqing Brilliant Aluminum Furniture Co.,Ltd. |
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